CVE-2007-3898: Microsoft Windows 2000

Medium severity, CVSS 6.4. EPSS: 52.3% chance of exploitation in the next 30 days.

The DNS server in Microsoft Windows 2000 Server SP4, and Server 2003 SP1 and SP2, uses predictable transaction IDs when querying other DNS servers, which allows remote attackers to spoof DNS replies, poison the DNS cache, and facilitate further attack vectors.

Affected products

Published 2007-11-14. Last modified 2026-06-16.